/***************************************************************************
 *   Copyright © 2010 by Nikolay Kornaev                                   *
 *   n.kornaev@gmail.com                                                   *
 *                                                                         *
 *                    This file is part of neuma.                          *
 *                                                                         *
 *   neuma is free software; you can redistribute it and/or modify it      *
 *   under the terms of the GNU General Public License as published by     *
 *   the Free Software Foundation; either version 3 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   neuma is distributed in the hope that it will be useful,              *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, see <http://www.gnu.org/licenses/>   *
 ***************************************************************************/

#pragma once

#include <QtCore/QVector>
#include <QtGui/QSyntaxHighlighter>
#include <QtGui/QTextCharFormat>

class QTextDocument;

namespace Neuma
{
  class NeumaSyntaxHighlighter: public QSyntaxHighlighter
  {
  Q_OBJECT

  public:
    NeumaSyntaxHighlighter(QTextDocument *parent = 0);

  protected:
    void highlightBlock(const QString &text);

  private:
    struct HighlightingRule
    {
      QRegExp pattern;
      QTextCharFormat format;
    };
    QVector<HighlightingRule> highlightingRules;

    QRegExp rxInitNeuma, rxInitSyllabe;
    QRegExp rxErrorInsertedStart;
    QTextCharFormat fInitNeuma;
    QTextCharFormat fInitSyllabe;
    QTextCharFormat fLineNeumas;
    QTextCharFormat fLineSyllabes;
    QTextCharFormat fErrorSelected;
    QTextCharFormat fErrorInserted;
  };
}
